We working on expanding our facilities and wondering if anyone has any clever ideas how to design a single harvest sump that will be used to harvest 8 raceways with about 1000m3 water and about 5,000 KG of 25 to 30 gram shrimp. The harvest pipe will be about 18 inches below the lowest point of the raceway and will likely be 12 inches in diameter. Our plan is to have this pipe drain into a sump where the shrimp harvest (aqualife BP60 - 6") http://www.aqualifeproducts.com/pumps.html pump will be placed, and there will be another pump that will drain the harvest sump, as our farm is flat and the harvest sump will be under the actual water table.The sump will be around 3 to 4 meter in long, about 2 meters wide and about 3 meters deep. It will be made out of concrete.
Key issues are the screens used to separate the shrimp from the water pump and ensure the shrimp are quickly guided into the harvest pump suction line. While most if this is common sense, we have had issues with a huge amount of molt clogging the drain screens and I am sure someone out there has encountered the same issue and perhaps has some clever suggestions. Thanks!